AMD Radeon RX 6600M vs AMD Radeon RX 560X Mobile

VS

AMD Radeon RX 6600M

AMD Radeon RX 560X Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 4GB VRAM Radeon RX 560X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 2 years and 4 months late

Boost Clock2416MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.0GB/s vs 112.0GB/s)

896 additional rendering cores

AMD Radeon RX 560X Mobile 's Advantages

Lower TDP (65W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +295%

8.659 TFLOPS

Radeon RX 560X Mobile

2.192 TFLOPS

3DMark Time Spy

Radeon RX 6600M +337%

7998

Radeon RX 560X Mobile

1827

Radeon RX 6600M

VS

Radeon RX 560X Mobile

Graphics Card

May 2021

Release Date

Jan 2019

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

2068 MHz

Base Clock

-

2416 MHz

Boost Clock

-

1750 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

112.0GB/s

Render Config

28

Compute Units

14

-

1792

Shading Units

896

112

TMUs

56

64

ROPs

16

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

19.57 GPixel/s

270.6 GTexel/s

Texture Rate

68.49 GTexel/s

17.32 TFLOPS

FP16 (half)

2.192 TFLOPS

8.659 TFLOPS

FP32 (float)

2.192 TFLOPS

541.2 GFLOPS

FP64 (double)

137.0 GFLOPS

Board Design

100W

TDP

65W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Polaris 31

-

GPU Variant

Polaris 31 MXL

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

11.06 billion

Transistors

3 billion

237 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

6.5

Shader Model

6.4

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